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<p><i>Gonorynchus abbreviatus</i> (bighead beaked sandfish), is a demersal fish inhabiting the deep waters of the Northwest Pacific for which genomic resource have been limited. Here, we assembled a chromosome-level genome using DNBSEQ, PacBio, and Hi-C sequencing technologies. The final 609.20 Mb assembly achieved a scaffold N50 of 22.33 Mb and was anchored onto 27 chromosomes, with 99.07% completeness based on BUSCO assessment. Repetitive sequences comprised 32.88% of the genome, mainly DNA transposons (12.33%). We identified 22,396 protein-coding genes, of which 21,429 (95.68%) were functionally annotated. This high-quality genome constitutes a valuable resource for investigating the evolutionary history and genetic mechanisms of <i>G. abbreviatus</i>.</p>

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Chromosome-level Genome Assembly and Annotation of the bighead beaked sandfish (Gonorynchus abbreviatus)

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月10日

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  • Linlin Zhao,
  • Xiaotong Zhu,
  • Min Zhou,
  • Ruizhi Wang,
  • Na Song,
  • Bailin Cong,
  • Wenbo Zhu

摘要

Gonorynchus abbreviatus (bighead beaked sandfish), is a demersal fish inhabiting the deep waters of the Northwest Pacific for which genomic resource have been limited. Here, we assembled a chromosome-level genome using DNBSEQ, PacBio, and Hi-C sequencing technologies. The final 609.20 Mb assembly achieved a scaffold N50 of 22.33 Mb and was anchored onto 27 chromosomes, with 99.07% completeness based on BUSCO assessment. Repetitive sequences comprised 32.88% of the genome, mainly DNA transposons (12.33%). We identified 22,396 protein-coding genes, of which 21,429 (95.68%) were functionally annotated. This high-quality genome constitutes a valuable resource for investigating the evolutionary history and genetic mechanisms of G. abbreviatus.